crinacle
82Crinacle ranking: grade A-, tone B+, technical S-, signature: Neutral.
Read the full reviewSTAX SR-Lambda Pro
At a glance
- Brand
- STAX
- Type
- Over-Ear
- Fit
- -
- Connection
- Wired
- Noise cancelling
- No
- Released
- 1982
Score breakdowngood overall
Sound8.2
The HearWiki takeAI-condensed
The STAX SR-Lambda Pro is a vintage electrostatic headphone from 1982 that delivers a neutral, highly detailed sound signature prized by purists. It requires a dedicated electrostatic amplifier, offering exceptional clarity and resolution, but lacks modern conveniences like wireless connectivity or on-ear controls. Its ultra-high impedance demands specialized gear, making it a niche choice for audiophiles with the right setup.
What works
- Exceptional detail and resolution for its era
- Neutral, accurate tonal balance
- Lightweight at 340g for comfortable wear
- Wide frequency response from 8 Hz to 35 kHz
What doesn't
- Requires a specialized electrostatic amplifier
- No inline controls or app support
- Leatherette pads may not suit all users
- Unavailable in wireless or ANC variants
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 2× electrostatic |
|---|---|
| Driver type | electrostatic |
| Drivers per side | 2 |
| Frequency response | 8 Hz - 35 kHz |
| Sound signature | neutral |
| Impedance | 122000 Ω |
| Sensitivity | 100 dB/mW |
Audio
| Driver | 2× electrostatic |
|---|---|
| Driver type | electrostatic |
| Drivers per side | 2 |
| Frequency response | 8 Hz - 35 kHz |
| Sound signature | neutral |
| Impedance | 122000 Ω |
| Sensitivity | 100 dB/mW |
Features
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Controls | none |
Design
| Weight | 340 g |
|---|---|
| Foldable | No |
| Detachable cable | No |
| USB-C | No |
| Pad material | leatherette |
Where to buy
Retailers we matched to this exact model. Prices are periodic snapshots - the link always opens the retailer's current listing.
What the reviews said
1 source(s) feeding this product's score.
What YouTube reviewers say
Video reviews we found, each condensed to its verdict. They do feed the HearWiki score, at a measured weight below what a published written review carries.
9:44STAX SR-Lambda Pro Classic & Friends - Review
The reviewer finds the STAX SR-Lambda Pro Classic to be a solid, smooth-sounding electrostatic headphone that represents the classic Lambda sound well, though it lacks the ultimate transparency of the Signature model and benefits from tone correction. It is essentially the same as the Spirit with minor unit variation, and while not the most detailed, it remains a good entry point into vintage Lambda gear with proper EQ.
PositiveWatch on YouTube
Summaries are AI condensations of each video's own conclusion, not transcripts. Titles, thumbnails and view counts belong to their channels.
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