Journal
- 76 entries
- 2 rubrics
- 2026-11-07 latest entry
The Demograf Audio journal: owner impressions gathered from audiophile forums, notes on tubes and converters, and practical advice on setting up a system.
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All 76 entries
- Article · 2026-11-07 · 10 min read
How to read an amplifier measurement report
Read - Article · 2026-11-07 · 10 min read
Hi-fi loudspeakers or studio monitors: which one for home listening
Read - Article · 2026-10-29 · 8 min read
Demograf Endymion and Audio Note Ongaku compared: single-ended 211 and 845 amplifiers
Read - Article · 2026-10-29 · 6 min read
Single-driver loudspeakers in the room: walls, toe-in, height and distance
Read - Article · 2026-10-29 · 7 min read
An external master clock for a DAC: what it does and when you need one
Read - Article · 2026-10-29 · 8 min read
Balanced or single-ended inputs: what matters in a tube system
Read - Article · 2026-10-29 · 7 min read
Demograf Tantal, STAX SRM-T8000 and HeadAmp Blue Hawaii SE: tube amplifiers for electrostatic headphones
Read - Article · 2026-10-29 · 7 min read
Demograf Atlas and Western Electric 91E compared: two 300B amplifiers for loudspeakers and headphones
Read - Article · 2026-10-26 · 10 min read
A tube amplifier for classical music: watts, loudspeakers and the orchestra
Read - Article · 2026-10-26 · 9 min read
How much does a tube amplifier cost, and what are you paying for?
Read - Article · 2026-10-18 · 6 min read
Not for everyone: the circle of listeners around Demograf Audio
Read - Article · 2026-10-18 · 9 min read
Single-ended or push-pull: what changes in the sound and the speakers
Read - Article · 2026-10-18 · 7 min read
How a Demograf Audio amplifier is wired, and why
Read - Article · 2026-10-18 · 9 min read
Electrostatic or planar: what the amplifier must do
Read - Article · 2026-10-18 · 9 min read
Perseus MkII and Cassandra MkII: one driver or two ways
Read - Article · 2026-10-18 · 8 min read
Why Demograf Audio amplifiers use output transformers
Read - Article · 2026-10-18 · 9 min read
300B, 2A3, 45 or 845/211: how to choose the output triode
Read - Article · 2026-10-18 · 9 min read
Tube or solid-state output stage: Reference DAC, Hyperion, Charon
Read - Article · 2026-10-18 · 9 min read
Transmitting tubes in single-ended amplifiers: GM-70, 813 and 811
Read - Article · 2026-10-18 · 13 min read
The woods in a Demograf Audio chassis: seven species of the Caucasus and the Tian Shan
Read - Article · 2026-10-18 · 10 min read
Listening to Arabic music on vinyl: tarab, Umm Kulthum and classic Arabic records
Read - Article · 2026-10-18 · 9 min read
Hi-fi terms explained: a glossary of audiophile words, from soundstage to tube sound
Read - Article · 2026-10-18 · 10 min read
Electrostatic loudspeakers explained: how they work and what living with them involves
Read - Article · 2026-10-18 · 10 min read
Passive or active preamplifier: TVC, resistor attenuators and tube line stages
Read - Article · 2026-10-18 · 11 min read
Choosing loudspeakers for single-ended tube amplifiers: sensitivity, impedance and crossovers
Read - Article · 2026-10-18 · 7 min read
Amplifiers for headphones and loudspeakers, including electrostatic headphones
Read - Review · 2026-10-18 · 6 min read
Focal Utopia: owners’ impressions
Read - Review · 2026-10-18 · 7 min read
Audeze LCD-5: owners’ impressions
Read - Article · 2026-10-18 · 9 min read
NOS tubes explained: new old stock vs new production, and how to check them
Read - Article · 2026-10-18 · 10 min read
Vacuum tube life and care: how long tubes last, and tube amplifiers in hot climates
Read - Article · 2026-10-18 · 7 min read
Field-coil loudspeakers explained: electromagnets, field supplies and the Supravox 215-EXC
Read - Review · 2026-10-18 · 5 min read
Hector TVC preamplifier in passive mode: an owner’s review
Read - Review · 2026-10-18 · 7 min read
Holo Audio May: owners’ impressions
Read - Article · 2026-10-18 · 9 min read
NOS multibit DACs explained: TDA1541, PCM1704 and the classic chips
Read - Review · 2026-10-18 · 6 min read
Yulong DA1: owners’ impressions
Read - Article · 2026-10-18 · 8 min read
Power triodes for single-ended amplifiers: 45, 2A3, 300B, 845, 211 and 805
Read - Review · 2026-10-18 · 7 min read
Tantal headphone output measured by Reference Audio Analyzer
Read - Article · 2026-10-18 · 3 min read
Setup FAQ: Mistakes Audiophiles Make When Installing a System
Read - Article · 2026-10-18 · 2 min read
Common Audiophile Misconceptions
Read - Review · 2026-10-18 · 6 min read
Sennheiser HE 90 on an 811 tube amplifier: a listening session
Read - Article · 2026-10-18 · 2 min read
Choosing Loudspeaker Cable for the Audiophile
Read - Article · 2026-10-18 · 3 min read
FLAC vs MP3, DSD vs Vinyl: Choosing an Audio Format
Read - Article · 2026-10-18 · 3 min read
SACD or DSD: The Differences, and Which to Choose
Read - Article · 2026-10-18 · 3 min read
Tube Amplifiers: The Logic Behind the Sound
Read - Article · 2026-10-18 · 3 min read
Design Projects: The Room as Part of the System
Read - Article · 2026-10-18 · 3 min read
Demograf Audio Electrostatic Headphone Amplifiers
Read - Review · 2026-10-18 · 5 min read
Prometheus DSD DAC: an owner’s first impressions
Read - Article · 2026-10-18 · 3 min read
When a Tube Sounds Better Than a Transistor
Read - Article · 2026-10-18 · 2 min read
Getting the Most from Your Loudspeakers
Read - Article · 2026-10-18 · 3 min read
The Stereo Image
Read - Article · 2026-10-18 · 3 min read
Burr-Brown PCM63 Datasheet: Notes on a Classic DAC Chip
Read - Article · 2026-10-18 · 2 min read
Vinyl Forever
Read - Review · 2026-10-18 · 4 min read
A Demograf Audio class D amplifier prototype: listeners’ impressions
Read - Review · 2026-10-18 · 9 min read
CS4397 tube DAC and Tantal: one owner’s long-term review
Read - Review · 2026-10-18 · 8 min read
Hyperion vs Krell Reference 64: an owner compares AL4, EL8 and EF14 output stages
Read - Review · 2026-10-18 · 8 min read
Tantal 3C24 amplifier with electrostatic headphones: owners’ review
Read - Review · 2026-10-18 · 6 min read
Demograf Audio 300B amplifier and CS4397 DAC: a headphone system reviewed by listeners
Read - Review · 2026-10-18 · 6 min read
Tantal compared: Viva Solista, Sennheiser HEV 90 and the AL4 Rubedo
Read - Review · 2026-10-18 · 4 min read
Demograf Audio Hyperion vs Rockna Wavedream: an owner’s comparison
Read - Review · 2026-10-18 · 6 min read
Aglaya review: the red Demograf Audio tube headphone amplifier
Read - Review · 2026-10-18 · 6 min read
Demograf Audio Hyperion vs Lampizator Golden Gate II: owners’ comparison
Read - Article · 2026-10-18 · 6 min read
Can a tube system play metal? Listening notes on 300B and 45 amplifiers
Read - Review · 2026-10-18 · 9 min read
Hyperion CS4397 tube DAC: owners’ reviews
Read - Review · 2026-10-18 · 10 min read
DAC chips compared by ear: TDA1540, TDA1541, TDA1547, PCM1704 and CS4397
Read - Review · 2026-10-18 · 5 min read
Demograf Audio Hyperion vs MSB Analog DAC: listeners’ comparison
Read - Review · 2026-10-18 · 4 min read
Demograf Audio full-range loudspeakers: an owner’s review
Read - Review · 2026-10-18 · 5 min read
Demograf Audio Hyperion vs dCS Debussy: an owner’s blind comparison
Read - Review · 2026-10-18 · 4 min read
6B4G tube amplifier with a CS4397 DAC: one owner’s Demograf Audio system
Read - Review · 2026-10-18 · 5 min read
Two early Demograf Audio headphone amplifiers: a 6B4G and a transmitting triode
Read - Review · 2026-10-18 · 9 min read
Tantal 3C24 prototype: the 2014 listening sessions
Read - Review · 2026-10-18 · 9 min read
Aphrodite (TDA1547) DAC: owners’ reviews
Read - Review · 2026-10-18 · 7 min read
CD players modified by Demograf Audio: owners’ reviews of the Marantz CD-15 and Philips CD304
Read - Review · 2026-10-18 · 9 min read
Persephone (TDA1541) NOS DAC: owners’ reviews
Read - Review · 2026-10-18 · 8 min read
Interconnect and digital cables by Demograf Audio: owners’ reviews
Read - Review · 2026-10-18 · 8 min read
Calliope (TDA1540) NOS DAC: owners’ reviews
Read - Review · 2026-10-18 · 9 min read
ECL82 tube headphone amplifier: an owner’s review of an early Demograf Audio build
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