Feb 13, 2016 · This is a review and detailed measurements of the Apt Holman vintage preamplifier. It is on kind loan from a member and has been refurbished by QuirkAudio. The look is a cross between …

Nov 3, 2020 · Apt Holman Preamplifier Phono Stage Measurements I adjusted the volume control to give a nominal 40 dB level (higher than preamp tests): View attachment 167053 While I like to see …

Nov 21, 2021 · Apt Holman Preamplifier Phono Stage Measurements I adjusted the volume control to give a nominal 40 dB level (higher than preamp tests): View attachment 167053 While I like to see …

Nov 21, 2021 · Apt Holman Preamplifier Phono Stage Measurements I adjusted the volume control to give a nominal 40 dB level (higher than preamp tests): View attachment 167053 While I like to see …

Jun 21, 2015 · The Apt Holman was a fine-sounding and very versatile component, and I still use mine in a second system. But they had rather cheap electrolytic capacitors and such to keep cost of …

Feb 10, 2020 · I noticed some years back Ken Rockwell tested a APT Holman preamp. He did several tests of the phono stage and RIAA curve. Anyone up for looking through his tests and giving insight …

Dec 10, 2019 · Apt Holman Preamplifier Service Manual. Audio magazine, October 1978, pages 36 and 187 (ads). Audio magazine, October 1979, page 42 (ad). Audio magazine, February 1980 (review). …

Nov 21, 2021 · Good Vibes sold so much Apt gear that Holman himself came to the store to do a seminar on the development of the circuitry and explain why that continuously variable stereo/mono …

Nov 21, 2021 · Last Friday I received an Apt Holman preamplifier from Audioproz with the Level III updates and the 201/202 MC phono card installed and set for my 0.23mV cartridge, and QC check of …

Mar 1, 2018 · Amplifier pairing with APT Holman Medsca Oct 26, 2025 Amplifiers, Phono preamp, and Analog Audio Review 2 Replies 25 Views 1K Nov 13, 2025