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Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…
secarica wrote:
- Sound: AY-3-8912
If you ... may also consider using an AY-3-8910. But the availability ... -
Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…
... -30 12:45, secarica wrote:
[quote]- Sound: AY-3-8912, internal ... may also consider using an AY-3-8910. But the availability ... -
Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…
... 2004-08-30 15:42, secarica wrote:
Today I would ... Amstrad CPC64+/128+ has the AY emulated that way.
[/quote ... -
Speccy AY versus 64 SIDWhich is best?
... 2004-08-31 16:45, secarica wrote:
I just compare ... sounds of SID files versus AY files. I hardly found a ... . I like much more the AY sound quality, for many more ... are maaaaaanyyy ppl who prefer AY than sid's monophonic murmur ... -
Speccy AY versus 64 SIDWhich is best?
... 2004-08-31 16:45, secarica wrote:
I just compare ... sounds of SID files versus AY files. I hardly found a ... . I like much more the AY sound quality, for many more ... -
Speccy AY versus 64 SIDWhich is best?
... 2004-09-01 13:36, secarica wrote:
[quote]On 2004 ... , I refuse to play without AY music (i.e. in 48K ... -
What does SPIN have?I have been asking this question since somebody answered another I had made that RealSpectrum was a brilliant emulator. It is in fact. But... I see e…
... 2004-09-01 15:21, secarica wrote:
Similar with Lee ... the DOS mode have no AY sound on my Win2000, therefore ... -
Sound mod for AY audio chipsHi again. This is a repost. I posted it in the misc forum a while back but it definitely should be in here. I was totally pissed off with the crap…
Looks like pins 48 & 52. Have you seen this other AY sound mod before?
[url="http://www.secarica.ro/html/plus3_hardware.html#sound"]http://www.secarica.ro/html/plus3_hardware.html#sound[/url] -
Recording music from Spectrum 128Does anyone have any tips for recording music or improving sound quality from a real Spectrum 128 +2? I tried the obvious method of running a jack t…
... +3 fix: [url]http://www.secarica.ro/html/plus3_hardware.html#sound ... the beeper was clearly audible. AY sound was just covered with ... -
+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
... am drawing up the sound AY part from it. Its quite ... and Amstrad +2.
22nF capacitor between pins 17,3,19 ... (+5v) and 6(gnd) of AY chip on Sinclair.
And ... -
Awful image on 128K +2B / CV mod not workingHello, My two +2 B output a terrible image through RF. Lots of shadows and moiré patterns. One is slightly better than the other, but really ba…
... / +3 models only. One from Secarica and another one from the ... .
[URL]http://www.secarica.ro/plus3_composite_video.pdf[/URL] and ... ]
Look for Capacitor C24 - it is a 33pF ... -
Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…
... .e a resistor and a capacitor) to make a simple DAC ... circuit is better than the AY or SID for making interesting ... -
Transferring +3 Disk Image from PC to real +3Is there a way to do this without physically connecting the +3 disk drive to the PC? Something like a Speccy version of the "Xfer in C" utility for…
... , but I was told by Secarica and Andrew Owen it wouldn ... port is part of the AY chip and it has no ... -
Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... with the help of the AY registry, is very
simple ... a supporting software) if the AY-based serial port was already ... Secară
[url]http://www.secarica.ro/[/url][/QUOTE]
AY's serial data capabilities, can ... -
Few +3 & +2A questionsI don't know those models too good, so my questions can be quite stupid. Spectrum +3 has a sound distortion problem. Do all +3 models suffer from it…
... /> The analog output of the AY-3-8012 sound chip was ... :-
[url]http://www.secarica.ro/html/plus3_hardware.html[/url ... -
+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
... to the transitor near the ay chip.
Fix you ... :
[url]http://www.secarica.ro/html/plus3_hardware.html[/url] -
Amstrad CPC - VIDEO OUTHello peepiekins, Erm, is there an arrangement of leads that'll allow me to... wait for it... ...turn the cable that usually plugs into the monitor…
... RGB (I might try the capacitor listed on that page though ... from its umbilical cord, pumping AY stereo into a big telly ... -
Amstrad CPC - VIDEO OUTHello peepiekins, Erm, is there an arrangement of leads that'll allow me to... wait for it... ...turn the cable that usually plugs into the monitor…
... RGB (I might try the capacitor listed on that page though ... from its umbilical cord, pumping AY stereo into a big telly ... -
KempAY and Spectrum +3 queryIve been looking at the KempAY interface. It's the AY38912 chip on a board, which also doubles up as a kempston joystick interface all done in GAL ch…
... also having the original bodged AY sound as well?[/QUOTE]
AY sound. Try removing the capacitor C38 -
KempAY and Spectrum +3 queryIve been looking at the KempAY interface. It's the AY38912 chip on a board, which also doubles up as a kempston joystick interface all done in GAL ch…
OK so capacitor C38 could kill off the internal AY but allow beeper ... -
Stereo AY Spectrum availabilityGood morning to all and sundry on this (wet?) Friday morning! I was wondering available ARE stereo spectrums? As far as I'm aware, in the normal rea…
... for stereo AY is documented here:
[url]http://www.secarica.ro ... ,4 and 5 on the AY chip so they are not ... , B and C (from the AY chip) and BEEP (from C37 ... -
Stereo AY Spectrum availabilityGood morning to all and sundry on this (wet?) Friday morning! I was wondering available ARE stereo spectrums? As far as I'm aware, in the normal rea…
... for stereo AY is documented here:
[url]http://www.secarica.ro ... -
Spectrum 128k+ Toastrack lower Beeper level?Does anyone know the easiest way of matching the AY and beeper levels? I'm guessing perhaps the easiest thing to do is lower the beeper line rather t…
... via C125 to the mixed AY output, and an unnamed (at ... removing it) 10K resistor and capacitor to pin 34/35 (they ... remove R115 so the resulting AY output is louder. I don ... -
Grey +2 video output and oddities.I've been experimenting with one of the above that I acquired years ago, but had just been buried at the back of a cupboard. I've connected it up to…
... this signal via a new capacitor between IC11, pin 4 and ... increases the level of the AY generated audio so that it ... -
Quick question on the IN #FF port fix for Spec+3 issue2Was wondering if the [b]IN #FF port[/b] fix shown here: [url]http://www.secarica.ro/html/plus3_hardware.html#inFFport[/url] applies to the Spectrum +…
... & C channels on the AY IC -IC11 ), I believe from ... same site ([url]http://www.secarica.ro/[/url])
Sounds pretty ... -
+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
... 3B circuit on [url]www.secarica.ro/zx/[/url]
... circuit on [url]www.secarica.ro[/url] has a ... amplifier) and ground. This capacitor forms a low pass ... a smaller capacitor. The best standard value capacitor to let ... on the [url]www.secarica.ro[/url] pdf and ... -
+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
... capacitors to generate the three AY channel waveforms separately and sum ... the pulldown resistor and coupling capacitor for AY channel C (pin 1 ... capacitors connected the signals at AY pins 4 and 5 to ... simply soldered wires to the AY pins.
This, at ... -
Grey +2 - no sound during loadingI have a grey +2 here (issue 3), that is acting a bit strangely. I cleaned it and replaced/reversed TR4 to give it a stable RGB signal and so far all…
... schematic, resistor R80 (1k) and capacitor C26 (100nF) provide the sound ... both the resistor and the capacitor. 100nF capacitors do not normally ... it the bleeper sound, the AY sound, saving and loading sounds ... -
Differences between 128k+ and +3 RGB video circuitsHello, Have a bit of a dilema with some strange video results on my +3. Here's my setup: I have a RGB Scart to Component converter that is hooked up…
... :/
It was the C8 capacitor right below IC1. I replaced ... or sound.
Tried replacing AY, CPU, ROMs, RAMs ICs but ... -
1-resistor fix to +3 sound distortion issue - any feedback?I decided - with my Dad's help, since I am little less than a butcher when it comes to soldering - to fix my +3 sound issue. I noticed the less invas…
... ground.
Remove 100nF capacitor C37. Replace with 4.7nF ... was the connecting together of AY-3-8912 audio channels A ... . The volume of the 3 AY channels was now louder and ...
