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Dolby cat22 mod According to legend, once upon a time during a Beatles recording session in the 1960s, the technician forgot to crew in the cards in a Dolby 301, and card 3 had come unplugged. It was intended to be used as designed for tape hiss reduction but instead, because of unplugged card 3, the result was an ear grabbing somewhat upper mid-range/high end hyped sound that was pleasant and not strident. Years later, when Dolby 301 was replaced with dolby cat22, some clever fellow figured out how to mod it to give the equivalent of unplugging card 3.The Drawbacks : Only drawback is that sometimes the effe..
$100.00
_cropped_sharpened_sfw-320x246.jpg "Focusrite 315 Mod")
Focusrite 315 ModThis mod is intended to improve the transparency of the Focusrite 315. As the 315 is primarily used by Mastering Engineers it is they who have noticed a lack of transparency not only when the EQ is engaged, but even when it is inserted in the signal chain with EQ bypassed. The Problem: Too many audio coupling caps in the signal chain The balanced input stage circuit is overdesigned and a signifiant cause for the lack of transparency On transformer balanced models the transformers are not totally transparent. Rarely if ever is a transformer “transparent” to the exte..
$0.00
_sfw-320x246.jpg "Gates SA39 mod")
Gates SA 39 mod: This mod turns a somewhat unusable Gates SA39 limiter into one of the most impressive limiters ever! Capitalizing on a fantastic design by the brilliant Gates engineers this mod eliminates drawbacks to practical use in the recording of music while preserving and even teasing out a bit more of the inherent impressive sound. The result is a totally usable fat, warm and punchy sound equal to but not surpassed by just a few other similar units. It does improve the sound passing through it. It calls attention to the instrument or vocal being recorded.&n..
$250.00
Orban Optimod 8100A and 8180A mod: The Orban 8100A and 8180A processors were originally designed for broadcast audio ( radio and tv stations), with secret circuitry to keep high frequencies optimized even when the received signal is weak or wavering, such as near the edges of a broadcast stations allotted range. Additionally these processors evened out high frequency differences between songs, commercials and announcer voice. These processors and others like it can actually improve a recording that is a bit dull relative to the norm, and record buyers have often remarked that the vinyl or cd etc they purchased did not ..
$250.00
Phase Linear 400 Mod: The Phase LInear 400 and 700 amplifiers are among the best ever transistor amplifiers ever sold. The circuit is an excellent example of both simplicity and sophistication. A huge, high quality power transformer backs of the need for transient handling typically needed to reproduce music. The large number of output transistors allows for music to to spend more time in the more linear part of the transistor. Opinions as to the excellence of the circuit may vary, but the experience of the sound and music reproducing capabilities of this is hard to dispute. For one thi..
$300.00
Pro Audio Equipment Modification Modification not otherwise specified. Amazing things are possible. ..
$0.00
Pro Audio Repair Repair of pro audio equipment, with emphasis on repair of vintage tube equipment and repair of discrete transistor equipment. We have the tools and experience to find and fix what ails ‘er. Pro Audio repairs are made with both analog and computer based test equipment, integrated through our proprietary Super Test Jig, which brings speed and accuracy to the repair bench. Over 25 years of wide ranging repair experience backs up the entire operation. We emphasize competency, thoroughness and honesty. Experienced and skilled repair of mi..
$88.00
Quad Eight Pacifica, Quad Eight Ventura Control Room Module Mod: The Drawbacks :The fantastic clean and punchy sound of the Ventura (or Pacifica) stereo output bus was somewhat diminished when monitoring it via the Control Room Module. The Solution :Two integrated circuit opamps in the Control Room Monitor circuit are replaced with discreet Quad Eight AM-10 opamps. ..
$0.00
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